67 lines
2.5 KiB
Python
67 lines
2.5 KiB
Python
# Copyright (c) 2013 Nicolas Dandrimont <nicolas.dandrimont@crans.org>
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# Copyright (c) 2013 Bob Tolbert <bob@tolbert.org>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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# DEALINGS IN THE SOFTWARE.
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from hy.errors import HyError
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class LexException(HyError):
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"""Error during the Lexing of a Hython expression."""
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def __init__(self, message, lineno, colno, source=None):
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super(LexException, self).__init__(message)
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self.message = message
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self.lineno = lineno
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self.colno = colno
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self.source = source
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self.filename = '<stdin>'
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def __str__(self):
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from hy.errors import colored
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line = self.lineno
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start = self.colno
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result = ""
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source = self.source.split("\n")
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if line > 0 and start > 0:
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result += ' File "%s", line %d, column %d\n\n' % (self.filename,
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line,
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start)
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if len(self.source) > 0:
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source_line = source[line-1]
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else:
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source_line = ""
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result += ' %s\n' % colored.red(source_line)
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result += ' %s%s\n' % (' '*(start-1), colored.green('^'))
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result += colored.yellow("LexException: %s\n\n" % self.message)
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return result
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class PrematureEndOfInput(LexException):
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"""We got a premature end of input"""
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def __init__(self, message):
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super(PrematureEndOfInput, self).__init__(message, -1, -1)
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